Switzerland

The equipment has changed considerably since these brave alpinists attempted to climb the Jungfrau in the early 20th century. Depicted are the Belgian politician Arthur Buysse (left), his wife and their guides.
(Collection Buysse-Verschoore)

The Rhône Glacier forms a spectacular sight on the Furka Pass. It's unlikely these visitors in 1933 were aware that the glacier is retreating since the 19th century at an alarming pace and is now considered one of the more tangible effects of global warming.
(Collection Maurits Van Wesemael)

The Jungfraujoch (3,466 metres), connecting the Jungfrau and the Mönch, has been a top attraction in the Swiss Alps since 1912 when a railway line brought tourists litterally amongst the clouds.
(Collection Maurits Van Wesemael)

In January 1957 journalist Omer Grawet went to interview the Swiss search and rescue pilot and national hero Hermann Geiger in Crans-Montana. Sometimes nicknamed the Flying St. Bernard, Geiger was the first to land successfully on a glacier and flew several hundreds of rescue missions.
(Collection Omer Grawet)